424 



INDEX 



Poison ivy, 180*. 



Poison lupine, 182. 



Poison oak, 180*. 



Poisonous plants, 182. 



Poland China hog, 398. 



Pollen, 92, 94, 95 ; protection of, 95, 

 96. 



Pollen cases, 92. 



Poor man's weatherglass, 169. 



Popcorn, 278. 



Poplar, 78. 



Pork, 397*. 



Potash, 57, 59, 126, 143, 144*, 413. 



Potash salts, 143. 



Potato, 90, 107, 114, 115*, 116*, 119*, 

 123, 289-291 ; wilt of, 247. 



Potato blight, 234. 



Potato scab, 247. 



Potato worm, 190, 221. 



Poultry raising, 403. 



Powdery mildew, 235*, 236*, 237*. 



Prevention of bacterial diseases, 262. 



Prickly lettuce, 318. 



Prickly pear, 117*. 



Prickly tarweed, 174. 



Primrose, 96. 



Probe, soil, 55*. 



Propagating, 99-105. 



Protein, 82, 83, 86, 347, 348, 375, 

 380 ; test for, 84. 



Prune orchard, 301*. 



Prunes, drying, 305*; shot-hole fun- 

 gus of, 243. 



Pruning, 118. 



Puffy oranges, 249. 



Pulpy seed covers, 3. 



Pumpernickel, 277. 



Pumpkin, 70, 71, 325 ; wilt of, 247. 



Pupa, 188, 195. 



Pupa case, 187. 



Quartz, 57. 



Quince, 3, 101, 243; blight of, 243. 



Radish, 3, 13*, 322; club foot of, 



248. 



Rainfall, 29. 

 Rains, 32, 149 ; wash away soil, 38*, 



39*, 40*, 41*. 



Rain water, 38. 



Raisins, 313. 



Rakes, 67. 



Ramie, 297, 298. 



Raspberries, 101, 328. 



Ray grass, 284. 



Razorback 'hog, 396*. 



Red clover, 285, 287. 



Red lands, 28. 



Red scale, 217. 



Red spider, 219*, 220*. 



Redtop, 284. 



Rhubarb, 321. 



Rib grass, 171*. 



Rice, 277. 



Rind, 83. 



Rock, 24*. 



Rock powder, 20, 22. 



Rocks, grinding of, 18, 20. 



Rocky Mountains, 29, 30, 33. 



Rogue River, 302. 



Rollers, 68. 



Roosevelt dam, 37*. 



Root, 102; work of, 9, 10-17. 



Root cap, 88. 



Root crops, 126, 288-295. 



Root galls, 223. 



Root hairs, 13*, 14, 16*, 63. 



Root rot, 248, 249. 



Roots, care of, in transplanting, 

 102; chilling of, 79, 116; depth in 

 soil, 12 ; give off acids, 58 ; grow 

 toward moisture, 12; length of, 

 12. 



Root tubercles, 142*. 



Rose, 107, 240* ; mildew of, 235*. 



Rose land, 146, 331. 



Rose leaf, 235*. 



Rosemary, 332. 



Rosin soap, 412. 



Rotation of crops, 125-126, 223. 



Rot, brown, of lemon, 233 ; of stone 

 fruits, 234 ; root, 248. 



Runoff, 38. 



Russia, 60, 277, 384. 



Rusts, 239-241. 



Ruta baga, 294. 



Rye, 69, 128, 277. 



Rye grass, 284. 



